@misc{indiciaebfd6ce14ce21,
  title = {Underground measurements on secondary cosmic rays},
  author = {Wilson, C. W. and Fenton, A. G. and Fenton, K. B.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850027803},
  note = {Source identifier: 19850027803}
}